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IEA HPT Annex 40
Heat pump concepts for Nearly Zero Energy Buildings
Case Study IEA HPT Annex 40
Pictures of the monitoring plant, blue pictures as background, if not
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Logos of involved institutions
Images,
Title of case study or best practice project
Subtitle of case study orscheme
best practice project
cutaway views
Summary
Summary of the field monitoring project
Concept
Building Data
Depiction of concept as square diagram (optional)
Summary of building data
Template as power point on the internal Annex 40
website
October 2015
International Energy Agency
Heat Pumping Technologies
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Background
General market situation of the considered system
Particular investigations carried out in the field monitoring project
text
Images,
scheme
Technical concept
cutaway views
Description of technical specifications of the field monitoring plant
Description of functionalities
Description of controls applied
Caption
Technical data of the unit/
building
text
Box with summary of technical data of the
system or of the building, e.g.
System configuration, System type
Refrigerant, Output capacity, COP,
data of the different components,volume
flow rates
Electrical backup
Noise emissions
Storage volume
Ventilation rate
As list
State of market introduction
Market state
*footnote, e.g. testing standards, points
About one sentence text
Images,
schemes
cutaway views
caption
Pictures of the monitoring plant, blue pictures as background, if not
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Field monitoring results
Energy balances,
Section describing the field monitoring and the field monitoring
results
energy flow chart
Measurement period
fractions as diagrams
Measurement equipment
comparisons real world operation – design values,
calculated values
Reasons for decisions, concept for measurements
Settings in the pilot plant
Energy balances, nZEB Balance
caption
Comparison field test results to calculated values
Performance indicators, e.g.
Performance charateristics
Seasonal performance factors, e.g.
SPF heat pump (boundary COP)
Self-consumption of PV-electricity, load match, grid interaction,
if applicable
SPF system (all system components)
Fractional losses/consumption, e.g.
Changes during measurements
Fraction storage losses (of total heat)
Uncertainty of measurements
Fraction back-up, auxiliaries (of total electricity)
Conclusions, evaluations, recommendations
Ratio of covered energy
Supply cover factor
Demand cover factor
As text
Operation times, e.g.
Heat pump space heating, DHW
As list
Energy balances,
energy flow chart
pie diagrams (energy fractions),
comparisons real world operation – design values, calculated values
Images, Diagrams, Tables
Pictures of the monitoring plant, blue pictures as background, if not
enough pictures are available
Logos of involved institutions
System optimisation
Economy, Ecology and Costs
Derived characteristic number
Evaluation of economy
e.g. investment costs, installations cost, specific
maintanance required,
Interpretation of performance
avoided costs compared to common designs
Weak points, optimisation potentials
payback time (compared to reference system)
Evaluation of ecology, mainly CO2 emission
Other environmental benefit
Reached comfort
Comparison to reference system
Avoided emission
If available primary energy
Data sources
PV economy and feed-in tariffs,
As text or as key sentences (partly tabled values)
As text
Imprint
Literature
Architecture and Design
e.g. link to detailed reports, publications
Involved persons in the design phase
link to other literature sources
Field monitoring
Institutions involved in the field measurements
Date of sheet: October 2015
IEA HPT Annex 40
IEA HPT Annex 40 is a corporate research project
on heat pump application in Nearly Zero Energy Buildings
The project is accomplished in the Heat Pumping Technologies (HPT)
Implementing Agreement of the International Energy Agency (IEA).
Internet: http://www.annex40.net
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